- A
Private endpoint
Why wrong: A private endpoint assigns a private IP in the VNet, which is explicitly not what the security team wants here.
- B
Service endpoint
A service endpoint extends the VNet and subnet identity to the supported Azure service without creating a private IP address in the VNet. That fits the requirement exactly because the team wants private access semantics from the subnet while avoiding a private endpoint. It is the correct choice when the main goal is to restrict service access to a subnet rather than provide a private IP-based connection.
- C
Azure Front Door
Why wrong: Azure Front Door is an edge delivery service for web traffic and does not provide subnet-level private access to storage.
- D
Network security group outbound rule
Why wrong: An NSG rule can block or allow traffic but cannot provide private service connectivity or subnet identity extension.
Quick Answer
The answer is a service endpoint. This is the correct choice because a service endpoint extends the VNet’s subnet identity to the Azure Storage service, allowing traffic to reach the storage account over the Azure backbone network without provisioning any private IP address in the virtual network. The storage account firewall then uses that subnet identity for access control, fulfilling the security team’s requirement for private access without a dedicated private IP. On the AZ-104 exam, this scenario tests your understanding of the fundamental difference between service endpoints and private endpoints: a service endpoint keeps traffic on the Microsoft backbone but still uses a public endpoint for the storage account, while a private endpoint assigns a private IP from the VNet. A common trap is assuming “private access” always means a private endpoint, but the key clue here is the refusal to create a private IP. Remember the mnemonic: “Service extends identity, Private extends IP.”
AZ-104 Implement and Manage Storage Practice Question
This AZ-104 practice question tests your understanding of implement and manage storage. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A development subnet must access an Azure Storage account privately, but the security team does not want to create a private IP in the VNet. They only want the subnet identity to be extended to the storage service. Which feature should the administrator configure?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Service endpoint
A service endpoint extends the VNet identity to the Azure Storage service, allowing traffic from the subnet to reach the storage account over the Azure backbone network without requiring a private IP. This meets the requirement of private access without creating a private IP in the VNet, as the subnet's identity is used for access control via the storage account firewall.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Private endpoint
Why it's wrong here
A private endpoint assigns a private IP in the VNet, which is explicitly not what the security team wants here.
- ✓
Service endpoint
Why this is correct
A service endpoint extends the VNet and subnet identity to the supported Azure service without creating a private IP address in the VNet. That fits the requirement exactly because the team wants private access semantics from the subnet while avoiding a private endpoint. It is the correct choice when the main goal is to restrict service access to a subnet rather than provide a private IP-based connection.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Azure Front Door
Why it's wrong here
Azure Front Door is an edge delivery service for web traffic and does not provide subnet-level private access to storage.
- ✗
Network security group outbound rule
Why it's wrong here
An NSG rule can block or allow traffic but cannot provide private service connectivity or subnet identity extension.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse service endpoints with private endpoints, assuming both require a private IP, but service endpoints use the subnet's identity without assigning a private IP, which is the key distinction tested in this question.
Detailed technical explanation
How to think about this question
Service endpoints use the source IP address of the subnet (which is translated to a virtual IP on the Azure backbone) to authenticate traffic to the storage account, leveraging the storage account firewall's 'Allow access from selected virtual networks and IP addresses' setting. Under the hood, the route table on the subnet is updated with a system route for the storage service's public IP range, ensuring traffic stays within the Azure network. A real-world scenario is when you need to restrict storage access to a specific subnet without incurring the cost or complexity of private endpoints.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this AZ-104 question test?
Implement and Manage Storage — This question tests Implement and Manage Storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Service endpoint — A service endpoint extends the VNet identity to the Azure Storage service, allowing traffic from the subnet to reach the storage account over the Azure backbone network without requiring a private IP. This meets the requirement of private access without creating a private IP in the VNet, as the subnet's identity is used for access control via the storage account firewall.
What should I do if I get this AZ-104 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jun 11, 2026
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